Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a idade de Fred Gibson?
 ###Tabelas: CREATE TABLE highest_scoring_grand_finals (highest_scoring_grand_finals_id AUTO_INCREMENT PRIMARY KEY, Total Points INT, Score VARCHAR, Premiers VARCHAR, Runners Up VARCHAR, Details VARCHAR) CREATE TABLE fm (fm_id AUTO_INCREMENT PRIMARY KEY, Station VARCHAR, Frequency INT, Network Affiliation VARCHAR, Format VARCHAR, City of License VARCHAR, Status VARCHAR) CREATE TABLE runner-ups_5 (runner-ups_5_id AUTO_INCREMENT PRIMARY KEY, Year INT, Championship VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE oldest_first-class_cricketers (oldest_first-class_cricketers_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Name VARCHAR, Team(s) VARCHAR, Birth date VARCHAR, Death date VARCHAR, Age (as of 1 February 2014) VARCHAR, Nationality VARCHAR) CREATE TABLE scores (scores_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Preliminaries VARCHAR, Interview VARCHAR, Swimsuit VARCHAR, Evening Gown VARCHAR, Average VARCHAR)  
SELECT Age (as of 1 February 2014) FROM oldest_first-class_cricketers WHERE Name = fred gibson